OE Quality
60-Day Returns

Koyorad A2446 Radiator
Overview of Koyorad a2446 Radiator for Mazda Protege Models
The Koyorad a2446 radiator is engineered specifically for Mazda Protege and Protege5 vehicles, providing reliable cooling performance. Designed with durable materials and integrated transmission oil cooling, this radiator supports optimal engine operation under various driving conditions.
Key Features of the Koyorad Radiator a2446
- Core dimensions: 12.875 inches height, 27.9375 inches width, and 0.625 inches thickness
- Constructed with an aluminum core for efficient heat dissipation
- Single core row design for balanced cooling capacity
- Plastic tank material for corrosion resistance and weight reduction
- Inlet and outlet diameters both at 1.125 inches for standard hose compatibility
- Includes an internal transmission oil cooler with a 1-inch diameter line
- Part of the Koyorad Radiator product line known for quality cooling components
Detailed Description of the Koyorad Radiator a2446
This radiator features a robust aluminum core measuring 12.875 inches in height and 27.9375 inches in width, with a thickness of 0.625 inches. The single core row design ensures effective heat exchange while maintaining a compact profile suitable for the Mazda Protege and Protege5. The plastic tanks provide resistance to corrosion and reduce overall weight, contributing to vehicle efficiency. Both the inlet and outlet ports measure 1.125 inches in diameter, ensuring compatibility with factory coolant hoses. Additionally, the integrated internal transmission oil cooler, with a 1-inch diameter line, supports transmission fluid temperature regulation, enhancing drivetrain longevity.
The Koyorad Radiator product line focuses on delivering reliable cooling solutions tailored to specific vehicle applications. This radiator aligns with that approach by combining durable materials and precise fitment for Mazda Protege models, ensuring consistent engine and transmission cooling performance.
Applications and Common Issues Addressed
- Replacement for leaking or damaged radiators in Mazda Protege and Protege5
- Resolves overheating caused by inefficient or clogged radiator cores
- Addresses transmission overheating through the integrated oil cooler
- Improves coolant flow with standard inlet and outlet diameters
- Prevents corrosion-related failures with plastic tank construction
Installation Notes and Tips
Ensure compatibility with Mazda Protege or Protege5 models before installation. Verify hose diameters match the 1.125-inch inlet and outlet ports. Properly flush the cooling system prior to installation to avoid contamination. When connecting transmission oil cooler lines, confirm secure fittings to prevent leaks. Follow manufacturer torque specifications for mounting hardware to avoid damage.
Quality Assurance and Warranty
The Koyorad a2446 radiator is manufactured to meet OEM standards for fit and function. The use of aluminum core and plastic tanks supports durability and corrosion resistance. While specific warranty details are not provided, Koyorad products typically adhere to industry quality controls to ensure reliable performance in Mazda Protege and Protege5 vehicles.
| Brand | Koyorad |
| Part Number | A2446 |
| Position | Koyorad Radiator |
| Core Height | 12.875 |
| Core Material | Aluminum |
| Core Row Quantity | 1 |
| Core Thickness | 0.625 |
| Core Width | 27.9375 |
| Inlet Diameter | 1.125 |
| Internal Transmission Oil Cooler | Yes |
| Outlet Diameter | 1.125 |
| Tank Material | Plastic |
| Title | Koyorad a2446 radiator |
| Transmission Oil Cooler Diameter | 1 |
| Transmission Oil Cooler Included | Yes |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2003 | Mazda | Protege | N/A | Will not fit Mazdaspeed Turbo Model; Koyorad Radiator | ||
| 2003 | Mazda | Protege5 | 2.0L | L4 | N/A | Will not fit Mazdaspeed Turbo Model; Koyorad Radiator |
| 2002 | Mazda | Protege | 2.0L | L4 | N/A | Will not fit Mazdaspeed Turbo Model; Koyorad Radiator |
| 2002 | Mazda | Protege5 | 2.0L | L4 | N/A | Will not fit Mazdaspeed Turbo Model; Koyorad Radiator |
| 2001 | Mazda | Protege | 2.0L | L4 | N/A | Will not fit Mazdaspeed Turbo Model; Koyorad Radiator |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.